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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt -p loop-vectorize -force-vector-width=4 -S %s | FileCheck %s
target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128"
define i64 @exit_value_scalar_live_in(ptr %dst, i64 %in) {
; CHECK-LABEL: define i64 @exit_value_scalar_live_in(
; CHECK-SAME: ptr [[DST:%.*]], i64 [[IN:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i16, ptr [[DST]], i64 [[INDEX]]
; CHECK-NEXT: store <4 x i16> zeroinitializer, ptr [[TMP1]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br label %[[SCALAR_PH:.*]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 1000, %[[SCALAR_PH]] ], [ [[IV_NEXT_1:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i16, ptr [[DST]], i64 [[IV]]
; CHECK-NEXT: store i16 0, ptr [[GEP]], align 2
; CHECK-NEXT: [[IV_NEXT_1]] = add i64 [[IV]], 1
; CHECK-NEXT: [[EC:%.*]] = icmp ult i64 [[IV]], 1000
; CHECK-NEXT: br i1 [[EC]], label %[[LOOP]], label %[[EXIT:.*]], !llvm.loop [[LOOP3:![0-9]+]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: [[RES:%.*]] = phi i64 [ [[IN]], %[[LOOP]] ]
; CHECK-NEXT: ret i64 [[RES]]
;
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next.1, %loop ]
%gep = getelementptr i16, ptr %dst, i64 %iv
store i16 0, ptr %gep, align 2
%iv.next.1 = add i64 %iv, 1
%ec = icmp ult i64 %iv, 1000
br i1 %ec, label %loop, label %exit
exit:
%res = phi i64 [ %in, %loop ]
ret i64 %res
}
define <2 x i64> @exit_value_vector_live_in(ptr %dst) {
; CHECK-LABEL: define <2 x i64> @exit_value_vector_live_in(
; CHECK-SAME: ptr [[DST:%.*]]) {
; CHECK-NEXT: [[ENTRY:.*:]]
; CHECK-NEXT: br label %[[VECTOR_PH:.*]]
; CHECK: [[VECTOR_PH]]:
; CHECK-NEXT: br label %[[VECTOR_BODY:.*]]
; CHECK: [[VECTOR_BODY]]:
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ]
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i16, ptr [[DST]], i64 [[INDEX]]
; CHECK-NEXT: store <4 x i16> zeroinitializer, ptr [[TMP1]], align 2
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1000
; CHECK-NEXT: br i1 [[TMP3]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
; CHECK: [[MIDDLE_BLOCK]]:
; CHECK-NEXT: br label %[[SCALAR_PH:.*]]
; CHECK: [[SCALAR_PH]]:
; CHECK-NEXT: br label %[[LOOP:.*]]
; CHECK: [[LOOP]]:
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ 1000, %[[SCALAR_PH]] ], [ [[IV_NEXT_1:%.*]], %[[LOOP]] ]
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i16, ptr [[DST]], i64 [[IV]]
; CHECK-NEXT: store i16 0, ptr [[GEP]], align 2
; CHECK-NEXT: [[IV_NEXT_1]] = add i64 [[IV]], 1
; CHECK-NEXT: [[EC:%.*]] = icmp ult i64 [[IV]], 1000
; CHECK-NEXT: br i1 [[EC]], label %[[LOOP]], label %[[EXIT:.*]], !llvm.loop [[LOOP5:![0-9]+]]
; CHECK: [[EXIT]]:
; CHECK-NEXT: [[RES:%.*]] = phi <2 x i64> [ zeroinitializer, %[[LOOP]] ]
; CHECK-NEXT: ret <2 x i64> [[RES]]
;
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next.1, %loop ]
%gep = getelementptr i16, ptr %dst, i64 %iv
store i16 0, ptr %gep, align 2
%iv.next.1 = add i64 %iv, 1
%ec = icmp ult i64 %iv, 1000
br i1 %ec, label %loop, label %exit
exit:
%res = phi <2 x i64> [ zeroinitializer, %loop ]
ret <2 x i64> %res
}
;.
; CHECK: [[LOOP0]] = distinct !{[[LOOP0]], [[META1:![0-9]+]], [[META2:![0-9]+]]}
; CHECK: [[META1]] = !{!"llvm.loop.isvectorized", i32 1}
; CHECK: [[META2]] = !{!"llvm.loop.unroll.runtime.disable"}
; CHECK: [[LOOP3]] = distinct !{[[LOOP3]], [[META2]], [[META1]]}
; CHECK: [[LOOP4]] = distinct !{[[LOOP4]], [[META1]], [[META2]]}
; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META2]], [[META1]]}
;.
|
